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Budán Ferenc F CROmed, Translational Research Centers, Budapest, Baross utca, - - 2014
Earthworm (Oligochaeta, Lumbricidae) species are used widely in eco-toxicological tests especially with contaminated soils. These long-term tests are reliable, but a high sample size is needed. Magnetic resonance imaging (MRI) can produce fast, robust, sensitive, and longitudinal morphological results using a small sample size. Performing longitudinal in vivo examinations of ...
Kim J J Department of Chemistry, Research Institute for Natural Sciences, Institute of Nano Science and Technology, Hanyang University, 222 Wangsimni-Ro, Seongdong-Gu, Seoul, 133-791 Korea. - - 2014
The strain-induced cracks in organic microtubules composed of an organic charge transfer (CT) complex of 1,2,4,5-tetracyanobenzene (TCNB) and naphthalene were selectively welded via the formation of secondary CT complexes; this process, in turn, led to the formation of organic hetero-microtubules consisting of multiple segments of two organic CT complexes.
Hur Joonho J Department of Radiology, Chung-Ang University College of Medicine, Seoul, Republic of - - 2014
Sinonasal organized hematoma is a rare benign disease that may be mistaken for malignancy. To define the imaging characteristics of sinonasal organized hematoma. We retrospectively reviewed computed tomography (CT) images of eight patients (4 male patients, 4 female patients; mean age, 40 years; range, 9-83 years) with pathologically proven sinonasal ...
Simha Vijai V Department of Radiotherapy and Oncology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India. Electronic address: - - 2014
To assess the variation in the doses received by the organs at risk (OARs) that can occur during treatment planning of cervical cancer by image-based brachytherapy. After intracavitary application, two sets of images-CT and MRI-were obtained. The two sets of images were fused together with respect to the applicator. Contouring ...
Absinta Martina M From the Translational Neuroradiology Unit (MA, GN, DSR) and Surgical Neurology Branch (AR-C), National Institute of Neurological Disorders and Stroke, National Institutes of Health; and Department of Neurology, Johns Hopkins School of Medicine (MIR-M, CAP, DSR), Baltimore, Maryland; and Neuroimaging Research Unit, Institute of Experimental Neurology, Division of Neuroscience, San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy (MA, - - 2014
Interfacing magnetic resonance imaging (MRI) with pathology is critically important for understanding the pathologic basis of MRI signal changes in vivo and for clinicopathologic correlations. Postmortem MRI is an intermediate step in this process; unfortunately, however, relating the data to standard pathologic sections, which are relatively thick and often nonparallel, ...
Yiallouras C C Department of Bioengineering, City University, London, UK; R&D, MEDSONIC LTD, Limassol, - - 2014
This article contains a review of positioning devices that are currently used in the area of magnetic resonance imaging (MRI) guided focused ultrasound surgery (MRgFUS). The paper includes an extensive review of literature published since the first prototype system was invented in 1991. The technology has grown into a fast ...
Toro Adriana A Department of Surgery, Taormina Hospital, Messina, - - 2014
Hepatic cavernous hemangioma accounts for 73% of all benign liver tumors with a frequency of 0.4-7.3% at autopsy and is the second most common tumor seen in the liver after metastases. Patients affected by hemangioma usually have their tumor diagnosed by ultrasound abdominal examination for a not well defined pain, ...
Tanderup Kari K Department of Radiation Oncology, Washington University School of Medicine, St. Louis, MO; Department of Oncology, Aarhus University Hospital, Aarhus, Denmark. Electronic address: - - 2014
The application of magnetic resonance image (MRI)-guided brachytherapy has demonstrated significant growth during the past 2 decades. Clinical improvements in cervix cancer outcomes have been linked to the application of repeated MRI for identification of residual tumor volumes during radiotherapy. This has changed clinical practice in the direction of individualized ...
Zhou Shengyuan - - 2014
Currently used small molecular magnetic resonance (MR) imaging contrast agents (CAs) in clinics have relatively short half-life, which limited the acquisition of high-resolution organs and angiographic images. Therefore, development of the facile strategy for the synthesis of long-circulating CAs with the transforming potential for MR imaging still remains a great ...
Okur Aylin A From the Departments of *Radiology, †Neurosurgery, and ‡Pathology, Faculty of Medicine, Ataturk University, Erzurum, - - 2014
Alveolar echinococcosis (AE) is a parasitic infestation produced by Echinococcus multilocularis. The parasite is a rare human infestation with a wide geographic distribution. It primarily affects the liver, and may spread hematogenously to produce metastatic foci in the distant organs. AE can metastise to the lungs, brain and bones. Cerebral ...
Onal Sinan - - 2014
Pelvic organ prolapse (POP) is a major women's health problem. Its diagnosis through magnetic resonance imaging (MRI) has become popular due to current inaccuracies of clinical examination. The diagnosis of POP on MRI consists of identifying reference points on pelvic bone structures for measurement and evaluation. However, it is currently ...
Zhang Hai-Bo HB From the *Institute of Neurosurgery, Chinese PLA General Hospital; and †Department of Neurosurgery, Beijing Sanbo Brain Hospital, Capital Medical University, Beijing, - - 2014
Papillary meningioma is an uncommon meningioma subtype of World Health Organization grade III. It could show some radiologic profiles pointing to malignant behavior, such as a cystic change, a heterogeneous enhancement, and an ill- defined border. However, to date, the radiologic profile described in this article has not been reported ...
Pang Jincheng - - 2014
Active contour techniques have been widely employed for medical image segmentation. Significant effort has been focused on the use of training data to build prior statistical models applicable specifically to problems where the objects of interest are embedded in cluttered background. Usually the training data consists of whole shapes of ...
Wong Ka Kit KK Nuclear Medicine/Radiology Department, University of Michigan Hospital, Ann Arbor, MI 48109, - - 2014
Nuclear medicine imaging of endocrine disorders takes advantage of unique cellular properties of endocrine organs and tissues that can be depicted by targeted radiopharmaceuticals. Detailed functional maps of bio-distributions of radiopharmaceutical uptake can be displayed in 3D-tomographic formats, using single photon emission computed tomography (SPECT), that can now be directly ...
Rischke H Christian HC Department of Radiation Oncology, University of Freiburg, Hugstetterstr 55, 79106, Freiburg, Germany, - - 2014
(18)F-Fluoroethylcholine ((18)F-FECh) is excreted via the urinary system with high activity accumulation in the urinary bladder. Furosemide and oral hydration can be administered concomitantly to reduce urinary activity to provide better detectability of retroperitoneal and pelvic lesions. Currently it is unknown if there is any effect of furosemide on (18)F-FECh ...
Fukuda Shinsuke - - 2014
Osteoid osteoma is a benign tumor that usually occurs in the long bones of young adults. Its symptoms can be diverse depending on the location of the tumor and especially difficult to diagnose when occurring in an atypical location. Osteoid osteoma arising in the sacrum is extremely rare, and here, ...
Aguirre-Pascual Elisa E Department of Radiology, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, - - 2014
The sonographic (US) features of limb-body wall complex have been well documented; however the literature regarding the findings on MRI in limb-body wall complex is scant. To characterize the prenatal MRI features of limb-body wall complex. We performed a retrospective review of all MRI scans of fetuses diagnosed with limb-body ...
Akyüz Sükrü S Department of Cardiology, Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital; ─░stanbul-Turkey. - - 2014
A 29-year old male patient presented with a hemodynamically significant ventricular tachycardia. Despite a comprehensive examination, the correct diagnosis was unfortunately established after two years. We discuss why the correct diagnosis was initially overlooked in physical examination, electrocardiogram, echocardiography and cardiac magnetic resonance imaging, and which findings led the cardiologists ...
Velikyan Irina I Department of Medicinal Chemistry, Preclinical PET Platform, Uppsala University, SE-75183 Uppsala, Sweden. Electronic address: - - 2014
Fibrosis affecting functionality of vital organs such as liver, lung, heart, and kidney, is involved in many chronic diseases. Positron emission tomography (PET) would not only provide precise localization and extent of the affected tissue but also allow the accurate quantification of the fibrotic process for the subsequent prognosis. A ...
Masciocchi Carlo C Dipartimento di Scienze Cliniche Applicate e Biotecnologiche Ospedale San Salvatore, L'Aquila, University of L'Aquila, Via Vetoio, Coppito, 67010, L'Aquila, - - 2014
Magnetic resonance-guided focused ultrasound surgery (MRgFUS) is a totally noninvasive ablation technique that in the last years had an important development in a large number of applications: in particular gynaecological disorders, bone lesions, prostate, breast, brain and other organs. This review of MRgFUS is focused on the technical aspects and ...
Nakaura T T Diagnostic Radiology, Amakusa Medical Center, Kameba 854-1, Amakusa, Kumamoto 863-0046, Japan; Department of Diagnostic Radiology, Graduate School of Medical, Kumamoto University, Japan. Electronic address: - - 2014
To evaluate the radiation dose, image quality, and influence on visual contrast of low tube voltage abdominal computed tomography (CT) and the effects of display setting optimization. One hundred and fifty-seven patients were randomly assigned to one of three protocols. Fifty-two patients underwent a 120 kVp protocol, and 53 and 52 ...
Sarrut David D Université de Lyon, CREATIS; CNRS UMR5220; Inserm U1044, INSA-Lyon; Université Lyon 1, F-69621 Lyon, France and Léon Bérard Cancer Center, Université de Lyon, F-69373 Lyon, - - 2014
To automatically learn directional relative positions (DRP) between mediastinal lymph node stations and anatomical organs. Those spatial relationships are used to semiautomatically segment the stations in thoracic CT images. Fuzzy maps of DRP were automatically extracted by a learning procedure from a database composed of images with stations and anatomical ...
Sharma Kriti Sen KS Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia - - 2014
The size of field-of-view (FOV) of a microcomputed tomography (CT) system can be increased by offsetting the detector. The increased FOV is beneficial in many applications. All prior investigations, however, have been focused to the case in which the increased FOV after offset-detector acquisition can cover the transaxial extent of ...
Wang Xiao-chun XC Department of Radiology, First Clinical Medical College, Shanxi Medical University, Taiyuan, - - 2014
To assess the value of combining susceptibility-weighted imaging (SWI) and dynamic susceptibility weighted contrast-enhanced (DSC) perfusion-weighted MRI (PWI) in assessing World Health Organization (WHO)grade for brain astrocytoma . A total of 94 patients with pathologically confirmed astrocytomas underwent SWI and DSC scans. The evaluation included intratumoral susceptibility signal intensity (ITSS) ...
Schimmöller L L Department of Diagnostic and Interventional Radiology, University of Dusseldorf, Medical Faculty, Dusseldorf, - - 2014
To evaluate the influence of attenuation-based tube potential selection (ATPS) in combination with organ-specific dose reduction (OSDR) on radiation dose and image quality of contrast-enhanced chest computed tomography (CT) examinations. Seventy consecutive patients (59.2 ± 16.1 years; 49 men; 21 women) were randomized into two groups and underwent contrast-enhanced chest CT using ...
Weber Wolfgang A WA Molecular Imaging and Therapy Service, Memorial Sloan Kettering Cancer Center, New York, New - - 2014
Despite considerable excitement about the potential of PET/MR imaging for the detection, staging, and functional characterization of cancer, this new technology is evolving significantly more slowly than PET/CT. This slower evolution is due partly to ongoing technologic challenges (e.g., accurate attenuation correction of PET images) but also to the complex ...
Yamauchi-Kawaura C C Department of Radiological Sciences, Graduate School of Medicine, Nagoya University, 1-1-20 Daikominami, Higashi-ku, Nagoya 461-8673, - - 2014
In this study, the authors developed age-specific physical head phantoms simulating the physique of Japanese children for dose evaluation in paediatric head computed tomography (CT) examinations. Anatomical structures at 99 places in 0-, 0.5-, 1- and 3-y-old Japanese patients were measured using DICOM viewer software from CT images, and the ...
Buch-Olsen Karen M KM Department of Nuclear Medicine, Odense University Hospital, Odense, - - 2014
Fever of unknown origin continues to be a diagnostic challenge for clinicians. The aim of this study was to confirm whether F-fluorodeoxyglucose (F-FDG)-PET/computed tomography (CT) is a helpful tool in patients suffering from this condition. Fifty-seven patients with fever of unknown origin were examined with F-FDG-PET/CT as part of their ...
Exacoustos Caterina C Department of Biomedicine and Prevention Obstetrics and Gynecological Clinic, University of Rome 'Tor Vergata', Italy. Electronic address: - - 2014
Endometriosis affects between 5 and 45% of women in reproductive age, is associated with significant morbidity, and constitutes a major public health concern. The correct diagnosis is fundamental in defining the best treatment strategy for endometriosis. Therefore, non-invasive methods are required to obtain accurate diagnoses of the location and extent ...
Braun Department of Farm Animals, Vetsuisse Faculty, University of - - 2014
Computed tomography (CT) findings of the liver, spleen and intestines of five healthy calves during six examinations in the first 105 days of life were compared with corresponding cadaver slices. The liver was located in the right hemiabdomen adjacent to the diaphragm and right abdominal wall. The caudal vena cava ...
Arif-Tiwari Hina H From the Departments of Medical Imaging University of Arizona College of Medicine, Tucson, Arizona, USA. - - 2014
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide, and liver transplantation is the optimal treatment for selected patients with HCC and chronic liver disease (CLD). Accurate selection of patients for transplantation is essential to maximize patient outcomes and ensure optimized allocation of donor organs. Magnetic resonance imaging ...
Shapiro Mikhail G MG 1] Miller Research Institute, University of California, Berkeley, Berkeley, California 94720, USA [2] Department of Bioengineering, University of California, Berkeley, Berkeley, California 94720, USA [3] Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, USA [4] Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, - - 2014
Magnetic resonance imaging (MRI) enables high-resolution non-invasive observation of the anatomy and function of intact organisms. However, previous MRI reporters of key biological processes tied to gene expression have been limited by the inherently low molecular sensitivity of conventional (1)H MRI. This limitation could be overcome through the use of ...
Zhang Jingjing J Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing, 100730, - - 2014
IgG4-related disease (IgG4-RD) is an increasingly recognized clinicopathological disorder with immune-mediated inflammatory lesions mimicking malignancies. A cohort study was prospectively designed to investigate the value of (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) in characterizing IgG4-RD. Thirty-five patients diagnosed with IgG4-RD according to the consensus criteria were enrolled with informed ...
Chen Xiaoyan X Department of Neurology, Chinese PLA General Hospital, Beijing, - - 2014
We described a 38-year-old woman of rapidly progressive dementia with white matter encephalopathy and death. She had Addison's disease but the adrenal glands were hyperplastic. Brain magnetic resonance imaging revealed diffuse white matter lesion predominantly in the frontal lobe with band-like contrast enhancement. l-Methyl-11C-methionine positron emission tomography revealed accumulation of ...
Dalah Entesar E Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, - - 2014
To explore the potential of multimodality imaging (dynamic contrast-enhanced magnetic resonance imaging [DCE-MRI], apparent diffusion-coefficient diffusion-weighted imaging [ADC-DWI], fluorodeoxyglucose positron emission tomography [FDG-PET], and computed tomography) to define the gross tumor volume (GTV) and organs at risk in radiation therapy planning for pancreatic cancer. Delineated volumetric changes of DCE-MRI, ADC-DWI, ...
Meulepas Johanna M JM Department of Epidemiology and Biostatistics, Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX, Amsterdam, The - - 2014
Computed tomography (CT) scans are indispensable in modern medicine; however, the spectacular rise in global use coupled with relatively high doses of ionizing radiation per examination have raised radiation protection concerns. Children are of particular concern because they are more sensitive to radiation-induced cancer compared with adults and have a ...
Frias Antonio E AE Division of Diabetes, Obesity and Metabolism, Oregon National Primate Research Center, Beaverton, Oregon, USA; Division of Developmental and Reproductive Sciences, Oregon National Primate Research Center, Beaverton, Oregon, USA; Department of Obstetrics and Gynecology, Oregon National Primate Research Center, Beaverton, Oregon, - - 2014
The maternal microvasculature of the primate placenta is organized into 10-20 perfusion domains that are functionally optimized to facilitate nutrient exchange to support fetal growth. This study describes a dynamic contrast-enhanced magnetic resonance imaging method for identifying vascular domains and quantifying maternal blood flow in them. A rhesus macaque on ...
Verma Rajanshu R United Hospitalist Service, United Hospital, Allina Health, St. Paul, MN. Electronic address: - - 2014
Cardiac tumors are a rare cause of recurrent syncope which are detected on echocardiography, computed tomographic scan, and/or magnetic resonance imaging. We present echocardiographic, anatomic, and histopathologic images of a cardiac tumor arising from the junction of the right atrium and the inferior vena cava in a young lady. Transthoracic ...
Noel Camille E CE Department of Radiation Oncology, Washington University School of Medicine, St. Louis, - - 2014
The limited soft tissue visualization provided by computed tomography, the standard imaging modality for radiotherapy treatment planning and daily localization, has motivated studies on the use of magnetic resonance imaging (MRI) for better characterization of treatment sites, such as the prostate and head and neck. However, no studies have been ...
Mittone A A Department of Physics, Ludwig Maximilians University, Garching D-85748, Germany. Department of Clinical Radiology, Ludwig Maximilians University, Munich D-81377, - - 2014
Recent developments have shown that high resolution phase contrast x-ray computed tomography (CT) of the breast can be performed at clinically compatible doses. Results have yet been obtained in vitro on full breasts, and the clinical translation of the technique seems more and more possible. This work presents a method ...
Liu Zhaofei Z Medical Isotopes Research Center, Peking University, Beijing, - - 2014
Integrin αvβ6, a member of the integrin family, is specifically expressed in many malignancies but not in normal organs. Overexpression of integrin αvβ6 is usually correlated with malignant potential and poor prognosis. In this study, we describe the synthesis and evaluation of a (99m)Tc-labeled integrin αvβ6-targeting peptide as a SPECT ...
Doss Mohan M Diagnostic Imaging, Fox Chase Cancer Center, 333 Cottman Avenue, Philadelphia, PA, 19111-2497, - - 2014
[(18) F]VM4-037 has been developed as a positron emission tomography (PET) imaging marker to detect carbonic anhydrase IX (CA-IX) overexpression and is being investigated for use as a surrogate marker for tissue hypoxia. The purpose of this study was to determine the biodistribution and estimate the radiation dose from [(18) F]VM4-037 using ...
Ellison-Wright Ian - - 2014
Gray and white matter brain changes have been found in schizophrenia but the anatomical organizing process underlying these changes remains unknown. We aimed to identify gray and white matter volumetric changes in a group of patients with schizophrenia and to quantify the distribution of white matter tract changes using a ...
Lim Kelvin K KK Department of Radiology, Austin Hospital, Austin Health (Department affiliated with University of Melbourne, Melbourne Medical School), 145 Studley Road, P.O. Box 5555, Heidelberg, VIC, 3084, Australia, - - 2014
The purpose of this article is to illustrate clinical applications of 3D T2-weighted MRI in pelvic imaging. We review technical considerations of 3D T2-weighted MRI with clinical examples. 3D T2-weighted MRI has been increasingly utilized for pelvic applications, including imaging of rectal cancer, prostate cancer, anorectal fistulas and the female ...
Liebmann M M Medical Radiation Physics, Carl von Ossietzky University, - - 2014
Purpose: Although the use of thyroid shields for patients for head CT examinations is reasonable and even required by German regulations, so far available shields are often not used due to difficult applicability. New shields that are easier to use and therefore may gain wider acceptance and more frequent use ...
Dai Zhengjia Z State Key Laboratory of Cognitive Neuroscience and Learning; IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, 100875, - - 2014
Alzheimer's disease (AD) is the most common type of dementia, comprising an estimated 60-80% of all dementia cases. It is clinically characterized by impairments of memory and other cognitive functions. Previous studies have demonstrated that these impairments are associated with abnormal structural and functional connections among brain regions, leading to ...
Harisankar Chidambaram Natrajan Balasubramanian CN Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, U.T., - - 2014
Although single-photon emission computed tomography (SPECT)/computed tomography (CT) plays a major role in the characterization of equivocal lesions on bone scintigraphy, it remains equivocal in a fraction of these patients. We evaluated the additional value of cocktail F-18 sodium fluoride (18F-NaF) and F-18 fluorodeoxyglucose (18F-FDG) co-injection positron emission tomography (PET) ...
Aschwanden Markus M 1 University Hospital Basel, Department of Angiology, Basel, Switzerland ; 2 University Hospitals Case Medical Center, Case Western Reserve University, Department of Radiology, Cleveland, Ohio, USA ; 3 University Hospital Mainz, Department of Hematology & Oncology, Mainz, Germany ; 4 University Hospital Bruderholz, Department of Radiology, Bruderholz, - - 2014
Peripheral arterial occlusive disease (PAOD) is a result of atherosclerotic disease which is currently the leading cause of morbidity and mortality in the western world. Patients with PAOD may present with intermittent claudication or symptoms related to critical limb ischemia. PAOD is associated with increased mortality rates. Stenoses and occlusions ...
Boos Johannes J Department of Diagnostic and Interventional Radiology, University Dusseldorf, Medical Faculty, D-40225, Dusseldorf, - - 2014
Organ-specific dose reduction significantly reduces the radiation exposure of radiosensitive organs. The purpose of this study was to assess the impact of a novel organ-specific dose reduction algorithm on image quality of pediatric chest CT. We included 28 children (mean age 10.9 ± 4.8 years, range 3-18 years) who had contrast-enhanced chest CT on ...
Pandey Anoop Kumar AK From the *Department of Radiology & Imaging, Fortis Memorial Research Institute, Gurgaon, Haryana, India; †SRL Diagnostics, Fortis Memorial Research Institute, Gurgaon, Haryana, India; ‡Philips Electronics India Ltd, Gurgaon, Haryana, India; and §Department of Neurosurgery, Fortis Memorial Research Institute, Gurgaon, Haryana, - - 2014
The aim of this study was to evaluate the role of whole-body magnetic resonance imaging (WB-MRI) in imaging of extrapulmonary tuberculosis. Eighteen patients with single-site extrapulmonary tuberculosis were evaluated with contrast-enhanced dedicated MRI of the clinically symptomatic site followed by WB-MRI using contrast-enhanced 3-dimensional (3D) modified DIXON technique (m-DIXON) and ...
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